320220240043330 has 128 divisors (see below), whose sum is σ = 636218136576000. Its totient is φ = 115075180154880.

The previous prime is 320220240043321. The next prime is 320220240043339. The reversal of 320220240043330 is 33340042022023.

It is an interprime number because it is at equal distance from previous prime (320220240043321) and next prime (320220240043339).

It is not an unprimeable number, because it can be changed into a prime (320220240043339) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8541693226 + ... + 8541730714.

It is an arithmetic number, because the mean of its divisors is an integer number (4970454192000).

Almost surely, 2^{320220240043330} is an apocalyptic number.

320220240043330 is a deficient number, since it is larger than the sum of its proper divisors (315997896532670).

320220240043330 is a wasteful number, since it uses less digits than its factorization.

320220240043330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39452.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 320220240043330 its reverse (33340042022023), we get a palindrome (353560282065353).

The spelling of 320220240043330 in words is "three hundred twenty trillion, two hundred twenty billion, two hundred forty million, forty-three thousand, three hundred thirty".